{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=SIgnatera&page=2",
    "query": {
      "intervention": "SIgnatera",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=SIgnatera&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T12:06:24.919Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT06663787",
      "title": "Personalized Detection of ctDNA for Patients With HER2-Positive Metastatic Breast Cancer Patients Who Achieved Durable Response to Anti-HER2 Treatment",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer, Metastatic",
        "HER2 + Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Trastuzumab (Herceptin)",
          "type": "DRUG"
        },
        {
          "name": "SIgnatera",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Nagoya City University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "20 Years and older · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2024-04-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 1,
      "location_summary": "San Carlos, Texas",
      "locations": [
        {
          "city": "San Carlos",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06663787"
    },
    {
      "nct_id": "NCT04786600",
      "title": "A Phase II Randomized Therapeutic Optimization Trial for Subjects With Refractory Metastatic Colorectal Cancer Using ctDNA: Rapid 1 Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Signatera ctDNA assay",
          "type": "DEVICE"
        },
        {
          "name": "pre-specified sequence of FDA-approved drugs and drug combinations",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 6,
      "start_date": "2022-03-14",
      "completion_date": "2024-03-19",
      "has_results": true,
      "last_update_posted_date": "2025-07-01",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04786600"
    },
    {
      "nct_id": "NCT04670588",
      "title": "Response Assessment by Circulating Tumor DNA in Patients With Locally Advanced Rectal Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Circulating tumor DNA(ctDNA) level measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-03-31",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-07-18",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04670588"
    },
    {
      "nct_id": "NCT07282912",
      "title": "Trial Comparing Standard of Care Therapy With and Without Sequential Cytoreductive Intervention for Patients With Metastatic Foregut Adenocarcinoma and Undetectable Circulating Tumor-Deoxyribose Nucleic Acid (ctDNA) Levels",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Foregut Adenocarcinoma",
        "Esophageal Adenocarcinoma",
        "Gastroesophageal Adenocarcinoma",
        "Gastric Adenocarcinoma",
        "Pancreas Adenocarcinoma",
        "Duodenal Adenocarcinoma",
        "Ampullary Adenocarcinoma",
        "Gallbladder Adenocarcinoma",
        "Intra - and Extrahepatic Cholangiocarcinoma"
      ],
      "interventions": [
        {
          "name": "Sequential cytoreductive intervention",
          "type": "PROCEDURE"
        },
        {
          "name": "Signatera Genome ultra-sensitive ctDNA blood test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 54,
      "start_date": "2026-06-02",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07282912"
    },
    {
      "nct_id": "NCT04660344",
      "title": "A Study of Atezolizumab Versus Placebo as Adjuvant Therapy in Participants With High-risk Muscle-invasive Bladder Cancer (MIBC) Who Are ctDNA Positive Following Cystectomy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Muscle-invasive Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Signatera",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 761,
      "start_date": "2021-05-03",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 4,
      "location_summary": "Rockledge, Florida • Las Vegas, Nevada • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "Rockledge",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04660344"
    },
    {
      "nct_id": "NCT07058012",
      "title": "A Phase II Platform Study to Evaluate Treatment With Cemiplimab Monotherapy or Cemiplimab Plus Fianlimab or Other Novel Combinations in Patients With Colorectal Cancer With Minimal Residual Disease Following Definitive Surgery and Chemotherapy (EMPIRE)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colo-rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Cemiplimab",
          "type": "DRUG"
        },
        {
          "name": "cemiplimab plus fianlimab",
          "type": "DRUG"
        },
        {
          "name": "cemiplimab + REGN7075",
          "type": "DRUG"
        },
        {
          "name": "ctDNA testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "NSABP Foundation Inc",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2026-04-17",
      "completion_date": "2029-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 13,
      "location_summary": "Gainesville, Florida • Iowa City, Iowa • Kansas City, Kansas + 9 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07058012"
    },
    {
      "nct_id": "NCT07209215",
      "title": "ctDNA-Informed Management of Early-Stage Rectal Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rectal Adenocarcinoma",
        "Rectal Cancer",
        "Early-stage Rectal Cancer",
        "Locally Advanced Rectal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Signatera Genome ultra-sensitive ctDNA blood test + total neoadjuvant therapy (TNT)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2026-10",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07209215"
    },
    {
      "nct_id": "NCT04761783",
      "title": "BESPOKE Study of ctDNA Guided Immunotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Melanoma",
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 290,
      "start_date": "2021-05-28",
      "completion_date": "2024-03-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-15",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 1,
      "location_summary": "San Carlos, California",
      "locations": [
        {
          "city": "San Carlos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04761783"
    },
    {
      "nct_id": "NCT05067842",
      "title": "Circulating Tumor DNA (ctDNA) in Locally Advanced Esophageal and Gastroesophageal (GE) Junction Adenocarcinoma",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adenocarcinoma Esophagus"
      ],
      "interventions": [
        {
          "name": "Circulating tumor DNA(ctDNA) level measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-05-13",
      "completion_date": "2025-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-08",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05067842"
    },
    {
      "nct_id": "NCT05060003",
      "title": "Tiragolumab Plus Atezolizumab Versus Atezolizumab in the Treatment of Stage II Melanoma Patients Who Are ctDNA-positive Following Resection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage II Melanoma"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Tiragolumab",
          "type": "DRUG"
        },
        {
          "name": "Signatera Assay",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2022-11-08",
      "completion_date": "2023-11-27",
      "has_results": true,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-09-25T12:06:24.919Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05060003"
    }
  ]
}